Downslope windstorm in High Tatras, 19 November 2004

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Photo: J.PinterováImpact of the 19 November windstorm• Southern part of High- and Low Tatras: 120 km 2 offorest destroyed (main turistic centre of Slovakia)• Measured wind gusts: 30 – 60 m/s• Period: 14 – 19 UTC• Biggest impact: zone of forest, between 750 – 1200 mabove sea level• Very rare event in such low altitudes(previous storms: 1915, 1919,1941)
Impact of the 19 November windstorm• Belt of destroyed forest on the southern (lee) sideof the High TatrasSource: SOPSR, TANAP
Page 1: Downslope windstorm in High Tatras1
Page 5 and 6: Local observations• Gusty charact
Page 7 and 8: Success of the operational forecast
Page 9 and 10: 2.5 km hydrostatic run with physics
Page 11 and 12: 2,5 km non- hydrostatic run• Time
Page 13 and 14: Sensitivity testsMax. gust 40 m/s33
Page 15 and 16: Mesoscale diagnostics• Increase o
Page 17 and 18: Conclusions: points of view• NWP

Downslope windstorm in High Tatras, 19 November 2004

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